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Bedrock Jul 23 - 29 25 questions
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Monday 20 July 2026

Keystones #35 · Five questions · Open this day only

  1. 1. Number

    Calculate: 19 + 35

    Answer: 19 + 35 = 54
  2. 2. Algebra

    Find the next term: 18, 24, 30, 36, ...

    Answer: 42
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 20:32

    Answer: 5:8
  5. 5. Statistics

    Find the mean of: 10, 20, 16, 8

    Answer: 13.5

Tuesday 21 July 2026

Keystones #36 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Factorise: 4x + 8

    Answer: 2(2x + 4)
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 15:40

    Answer: 3:8
  5. 5. Statistics

    Find the range of: 23, 22, 11, 29, 18

    Answer: 18

Wednesday 22 July 2026

Keystones #37 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 35

    Answer: 33 + 35 = 68
  2. 2. Algebra

    Find the next term: 21, 25, 29, 33, ...

    Answer: 37
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 28:32

    Answer: 7:8
  5. 5. Statistics

    Find the mean of: 10, 14, 11, 13, 13

    Answer: 12.2

Thursday 23 July 2026

Keystones #38 · Five questions · Open this day only

  1. 1. Number

    Calculate: 98 + 66

    Answer: 98 + 66 = 164
  2. 2. Algebra

    Simplify: 5x + 3x

    Answer: 8x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 28cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 6:15

    Answer: 2:5
  5. 5. Statistics

    Find the mean of: 15, 16, 12, 19

    Answer: 15.5

Friday 24 July 2026

Keystones #39 · Five questions · Open this day only

  1. 1. Number

    Calculate: 71 + 63

    Answer: 71 + 63 = 134
  2. 2. Algebra

    Find the next term: 25, 32, 39, 46, ...

    Answer: 53
  3. 3. Geometry

    Find the area of a circle with radius 8cm

    Answer: 201.06cm²
  4. 4. Ratio

    Simplify the ratio 4:8

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 13, 5, 8, 7, 18

    Answer: 10.2